SunPower breaks the efficiency ceiling. Again.

New E20 Series Solar Panels with up to 20% efficiency launched at Intersolar

SunPower new E20 Series set a new standard for solar, achieving record solar panel efficiencies of up to 20%. The series efficiency, performance and reliability advantages stem from SunPower patented MaxeonTM cell technology with 22.4% efficiency and an advanced module design. The new SunPower modules have distinctive features: